State Representative David Heaton (R-Mount Pleasant) announced his retirement from the Iowa House after serving since 1995 resulting in a four-way Republican primary between Trevor Lynn, Martin Amos, Sheila Matheney, and Joe Mitchell in Iowa House District 84.

The Iowa Secretary of State released the final uncertified list of candidates that will appear on the June 5th primary ballot. Iowa Republicans will have 19 contested primaries with five incumbents receiving a challenge.